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Teledyne ML - T100 UV Fluorescence SO2 Analyzer
3.5.3. PNEUMATIC LAYOUT FOR ZERO/SPAN VALVES OPTION
EXHAUST GAS
OUTLET
SAMPLE GAS
INLET
ZERO/SPAN
VALVE
SPAN 1 INLET
ZERO AIR INLET
Figure 3-19:
Manually from the analyzer's front panel by using the SIGNAL I/O controls located under
the DIAG Menu (refer to Section 4.8.2),
By activating the instrument's AutoCal feature (refer to Section 6.8),
Figure 3-19 shows the internal, pneumatic connections for a T100 with the zero/span
valve option installed.
KICKER EXHAUST
TO PUMP
PUMP
SAMPLE/CAL
VALVE
SAMPLE FILTER
Pneumatic Layout with Zero/Span Valves Option
Table 3-10 describes the state of each valve during the analyzer's various operational
modes.
Table 3-10: Zero/Span and Sample/Cal Valve Operating States
MODE
SAMPLE
ZERO CAL
SPAN CAL
The state of the zero/span valves can also be controlled by any of the following means:
HYDROCARBON
SCRUBBER
(KICKER)
EXHAUST TO OUTER
LAYER OF KICKER
FLOW
CONTROL
ASSY
VALVE
Sample/Cal
Open to SAMPLE inlet
Zero/Span
Open to ZERO AIR inlet
Sample/Cal
Open to zero/span inlet
Zero/Span
Open to ZERO AIR inlet
Sample/Cal
Open to zero/span inlet
Zero/Span
Open to SPAN GAS inlet
Getting Started
Chassis
SAMPLE
CHAMBER
PMT
FLOW
SENSOR
SAMPLE
PRESSURE
SENSOR
FLOW / PRESSURE
SENSOR PCA
CONDITION
UV
LAMP
61
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